<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
</head>
<html>
<body>
<p>
Extensible cryptographic <i>service provider infrastructure</i> (SPI) for using
and defining services such as {@link java.security.Certificate Certificates},
{@link java.security.Key Keys}, {@link java.security.KeyStore KeyStores}, {@link
java.security.MessageDigest MessageDigests}, and {@link java.security.Signature
Signatures}.
</p>
</body>
</html>
